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Blue polypropylene utility pump with 1-1/4 inch plug-in discharge, 10 1/2 inches tall

Dayton

Dayton 3YU55 1/4 HP 115V Utility Pump 32.9 gpm

SKU CH-KM95-TJMR8 MPN 3YU55

A 1/4 HP plug-in utility pump delivers 32.9 gpm at 5 ft head with a 22 ft maximum head and 104 °F liquid limit

  • TypeDrain Components
  • 1/4 HP motor delivers 32.9 gpm flow at 5 ft head
  • 115 V AC operation draws only 2.6 amps for efficient use
  • Polypropylene body with carbon-ceramic seal resists corrosion
  • Handles solids up to 1/8 in without clogging
  • Maximum 22 ft head lifts water from deep sump pits

Dayton 1/4 HP 115V Utility Pump

The Dayton 3YU55 is a plug-in utility pump rated at 1/4 horsepower and 115 volts AC. It moves up to 32.9 gallons per minute at five feet of head and reaches a maximum head of 22 feet. The polypropylene body and polyamide impeller suit general water-transfer tasks where automatic switching is handled externally.

Sustained flow at varying head heights

At 10 feet of head the pump delivers 23 gallons per minute, dropping to 14.2 gallons per minute at 15 feet and 5 gallons per minute at 20 feet. The carbon and ceramic shaft seal is rated for continuous operation with liquids up to 104 degrees Fahrenheit. Performance declines steadily as discharge head increases toward the 22-foot shut-off point.

Installation requirements to verify

The unit requires a minimum sump pit diameter of 18 inches and has a 6-inch body diameter with an overall height of 10 1/2 inches. It passes solids up to 1/8 inch and draws 2.6 amps at 115 volts AC. No switch is included, so a separate float or pressure control must be supplied. The pump is restricted from sale in California due to Proposition 65 chemical content.

Highlights

  • 1/4 HP motor delivers 32.9 gpm flow at 5 ft head
  • 115 V AC operation draws only 2.6 amps for efficient use
  • Polypropylene body with carbon-ceramic seal resists corrosion
  • Handles solids up to 1/8 in without clogging
  • Maximum 22 ft head lifts water from deep sump pits

Specifications

TypeDrain Components
BrandDayton
Model3YU55

Questions about this item

How much current does the 1/4 HP motor draw at 115V AC during continuous operation?

The pump is rated at 2.6 amps AC at 115V AC, so it draws that current whenever it runs.

What plumbing connections are needed since no hose or fittings are included?

The discharge is a 1-1/4 inch male thread; you must supply a matching hose barb or pipe fitting and a hose or pipe to carry water away.

Will the pump handle the same head pressure as the older 1/3 HP cast-iron unit it might replace?

This model reaches a maximum head of 22 ft and delivers 32.9 gpm at 5 ft, 23 gpm at 10 ft, 14.2 gpm at 15 ft and 5 gpm at 20 ft, so compare those figures to your old pump's curve.

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